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'Isopathic phenomenon' in leprosy.

B N Rao, B V Satyanarayana, G Venkatarathnam

    Dermatologica
    |January 1, 1975
    PubMed
    Summary
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    The SAGHER isopathic phenomenon was observed in most leprosy patients using BCG, Indian ink, and staphylococcal vaccine. This immune response shows potential for classifying challenging leprosy cases.

    Area of Science:

    • Immunology
    • Infectious Diseases
    • Dermatology

    Background:

    • Leprosy is a complex infectious disease caused by Mycobacterium leprae.
    • Accurate classification of leprosy types is crucial for effective treatment and management.
    • The SAGHER isopathic phenomenon, an immune response, has been investigated as a diagnostic tool.

    Purpose of the Study:

    • To investigate the elicitation of the SAGHER isopathic phenomenon in patients with various types of leprosy.
    • To evaluate the efficacy of different substances (BCG lepromin, Indian ink, staphylococcal vaccine) in eliciting this phenomenon.
    • To determine the potential of the SAGHER phenomenon as a method for classifying leprosy cases.

    Main Methods:

    • The study involved 21 leprosy patients with confirmed diagnoses across different types (lepromatous, tuberculoid, neuritic, borderline, indeterminate).

    Related Experiment Videos

  • The SAGHER isopathic phenomenon was elicited using three distinct substances: BCG lepromin, Indian ink, and staphylococcal vaccine.
  • Patient responses to each eliciting substance were systematically recorded and analyzed.

    • Main Results:

    • The SAGHER isopathic phenomenon was successfully elicited in a majority of the leprosy patients studied.
    • BCG lepromin demonstrated the highest response rate among the tested substances.
    • The phenomenon showed variability in elicitation across different leprosy classifications.

    Conclusions:

    • The SAGHER isopathic phenomenon can be elicited in patients with leprosy using immunological and microbial substances.
    • BCG lepromin appears to be the most effective agent for eliciting the phenomenon.
    • The SAGHER phenomenon holds promise as a valuable tool for the classification of difficult leprosy cases.